Maybe looking at bookshelves isn't your thing. Maybe you're more into spying on people reading on the train? CoverSpy highlights the top books spotted on New York's MTA system. They stare awkwardly at strangers so you don't have to!

Life's a little different outside of the Big 5, and Life in Small Press Publishing gives us a great glimpse into that world. Sure, much of the content is similar to Life in Publishing and the other GIF tumblrs, but the small press twist sets this Tumblr apart.

Libraries are a unique universe, and the librarians who inhabit them live and breathe books all day long. This tumblr airs some of the daily grievances - think clueless patrons, monotonous tasks, and of course, books they're reading.

Do you miss Miss Snark? Slush Pile Hell has taken over the reins with grace and sarcasm. This anonymous agent posts and responds to actual queries from her inbox (and sometimes Twitter feed). A great cautionary tale for writers on the agent hunt.

Still relying on Amazon's book algorithms for your book recommendations? Head over to Go Book Yourself and you'll receive real book recommendations from real people. It's like having a bookseller or librarian inside your Tumblr feed.